ACDelco 38108 | Accessory Drive Belt Tensioner Assembly

Part Number
Accessory Drive Belt Tensioner Assembly

Fits: AM General Hummer, Chevrolet Astro, Chevrolet Blazer, Chevrolet C1500, Chevrolet C1500 Suburban, Chevrolet C2500, Chevrolet C2500 Suburban, Chevrolet C35, Chevrolet C3500, Chevrolet C3500HD, Chevrolet G10, Chevrolet G20, Chevrolet G30, Chevrolet K1500, Chevrolet K1500 Suburban, Chevrolet K2500, Chevrolet K2500 Suburban, Chevrolet K3500, Chevrolet P30, Chevrolet R1500 Suburban, Chevrolet R2500 Suburban, Chevrolet R3500, Chevrolet S10, Chevrolet S10 Blazer, Chevrolet Suburban, Chevrolet Suburban 1500, Chevrolet Tahoe, Chevrolet V1500 Suburban, Chevrolet V2500 Suburban, Chevrolet V3500, GMC C1500, GMC C1500 Suburban, GMC C2500, GMC C2500 Suburban, GMC C3500, GMC C3500HD, GMC G1500, GMC G2500, GMC G3500, GMC Jimmy, GMC K1500, GMC K1500 Suburban, GMC K2500, GMC K2500 Suburban, GMC K3500, GMC R1500 Suburban, GMC R2500 Suburban, GMC S15, GMC S15 Jimmy, GMC Safari, GMC Sonoma, GMC Syclone

Special Price $50.99 Regular Price $59.99
In stock
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Estimated Ship Date: 1 Business Day or Less
Drive Belt Tensioner Assembly with Pulley



  • A/C Compressor Belt;Air Brake Hose;Air Intake Duct Drain Hose;Alternator Decoupler Pulley;Coolant Hose;Drive Belt;Elbow Air Vent Hose;Flanged Idler Pulley;Fuel Carburetion Hose;Fuel Line/PCV/EEC Hose;Heater Hose;Idler Pulley;Lawn and Garden V-Belt;Power Steering Pump Belt;Radiator Hose;Snowmobile V-Belt;Supercharger Belt;Timing Belt;Turbocharger Hose;V-Ribbed Serpentine Belt


ColorAluminum w/ Black Pulley
Measurements90 mm x 17 mm x 30.5 mm
Mkt_State_Warranty_CALimited Lifetime Warranty as long as original purchaser still owns vehicle (Parts Only).
Mkt_State_Warranty_USLimited Lifetime Warranty (Parts Only). Please see for more details.




  • 1987-1991 GMC G1500
  • 1992-1995 Chevrolet C1500 Suburban
  • 1989-1991 GMC R1500 Suburban
  • 1990-1991 Chevrolet P30
  • 1987-1988 GMC G2500 - Position: Serpentine
  • 1988-1995 Chevrolet K3500
  • 1987-1989 Chevrolet Astro
  • 1988-1995 GMC C1500
  • 1992-1995 GMC C1500 Suburban
  • 1989-1991 GMC V2500 Suburban
  • 1989-1991 Chevrolet V2500 Suburban
  • 1988-1995 GMC K3500
  • 1992-1995 Chevrolet C2500 Suburban
  • 1988-1995 Chevrolet S10
  • 1992-1995 GMC Yukon
  • 1987-1988 GMC G3500 - Position: Serpentine
  • 1987-1991 GMC G3500
  • 1988-1991 GMC S15 Jimmy
  • 1988-1995 Chevrolet C3500
  • 1988-1995 Chevrolet K1500
  • 1987-1988 Chevrolet G20 - Position: Serpentine
  • 1989-1991 GMC R2500 Suburban
  • 1992-1995 GMC C2500 Suburban
  • 1989-1995 Chevrolet Blazer
  • 1989-1991 Chevrolet R2500 Suburban
  • 1992-1995 GMC K1500 Suburban
  • 1989-1991 GMC V1500 Suburban
  • 1987-1991 GMC G2500
  • 1988-1995 Chevrolet C1500
  • 1991-1991 Chevrolet R3500
  • 1995-1996 AM General Hummer
  • 1988-1995 GMC K2500
  • 1989-1991 Chevrolet V1500 Suburban
  • 1992-1995 Chevrolet K1500 Suburban
  • 1991-1995 GMC C3500HD
  • 1989-1991 Chevrolet R1500 Suburban
  • 1992-1995 Chevrolet K2500 Suburban
  • 1991-1995 GMC Sonoma
  • 1987-1988 GMC G1500 - Position: Serpentine
  • 1988-1995 Chevrolet C2500
  • 1991-1991 GMC Syclone
  • 1991-1994 Oldsmobile Bravada
  • 1987-1991 Chevrolet G30
  • 1988-1995 GMC C3500
  • 1987-1989 GMC Safari
  • 1995-1995 Chevrolet Suburban 1500
  • 1988-1995 Chevrolet C35
  • 1987-1988 Chevrolet G10 - Position: Serpentine
  • 1988-1990 GMC S15
  • 1989-1994 Chevrolet Suburban
  • 1988-1995 Chevrolet K2500
  • 1987-1991 Chevrolet G10
  • 1988-1995 GMC K1500
  • 1987-1988 Chevrolet G30 - Position: Serpentine
  • 1991-1995 Chevrolet C3500HD
  • 1992-1995 GMC K2500 Suburban
  • 1992-1993 GMC Typhoon
  • 1988-1994 Chevrolet S10 Blazer
  • 1987-1991 Chevrolet G20
  • 1988-1995 GMC C2500
  • 1991-1991 Chevrolet V3500
  • 1989-1995 GMC Jimmy
  • 1995-1995 Chevrolet Tahoe
Customer Questions
Does AC Delco make Ford parts?
No, AC Delco produces parts primarily for General Motors vehicles and does not make parts specifically for Ford vehicles.
Can I use AC Delco parts to replace OEM parts?
Yes, in most cases AC Delco parts can be used as a replacement for OEM parts. However, it's important to ensure that the parts are compatible with your specific make and model of vehicle.
What AC Delco oil filter do I need?
AC Delco offers a variety of oil filters that are compatible with different makes and models of vehicles. To determine which AC Delco oil filter you need, consult your vehicle's owner's manual or use our online filter lookup tool that matches the make, model, and year of your vehicle.
Can a serpentine belt cause smoke?
Yes, a serpentine belt can cause smoke. A serpentine belt is an essential component of a vehicle's engine system. It drives various accessories such as the alternator, power steering pump, water pump, and air conditioning compressor. If the serpentine belt becomes worn, damaged, or misaligned, it can cause friction and generate smoke.
Why is my serpentine belt squealing?
The serpentine belt can squeal due to various reasons, including tension issues, worn-out belt, or a problem with the belt's pulleys.
Is my serpentine belt too tight?
If your serpentine belt is causing issues like excessive noise or accelerated wear on the pulleys, it may indicate that the belt is too tight.
Why did my serpentine belt come off?
Serpentine belts can come off due to factors such as belt wear, improper tension, misaligned pulleys, or a faulty tensioner.
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